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Question 687238: what must be true about the equations of the two lines
for their graphs to be perpindicular?
Click here to see answer by jim_thompson5910(35256)

Question 687232: I have no clue how algebra works... Help!
Click here to see answer by josmiceli(19441)

Question 687257: 2n-7=5n-10
Click here to see answer by jim_thompson5910(35256)

Question 687227: 84-[8-(-2)^3]=
Click here to see answer by hockeydude355(2)

Question 687288: find the roots of the polynomial equation
2x^4-5x^3-17x^2+41x-21=0
Click here to see answer by stanbon(75887)

Question 687340: Find the slope of the line through the given points. (4,3), (-2,8) also (-4.2, 4), (8.6,7.2). Thank you for your help.
Click here to see answer by MathLover1(20849)

Question 687326: y=mx+b
27x-9y=-12
slope
Click here to see answer by ankor@dixie-net.com(22740)

Question 687408: What is the line that passes through the points (4,7) and the slope of -0.75?
Click here to see answer by lwsshak3(11628)

Question 687608: factor the trinomial c^2 -14c + 40
Click here to see answer by Alan3354(69443)

Question 687532: Can you show me how to factor completely this problem
125c^6 -8d^6
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Question 687614: 3x+6x=54
Click here to see answer by jim_thompson5910(35256)

Question 687604: What quadratic equation has the solution -3+2iroot2?
Click here to see answer by Alan3354(69443)

Question 687656: The half-time of Silicon-10 is 710 years. Right now there is 40g. How much it would be after 700 years?
Click here to see answer by MathLover1(20849)

Question 687675: I need to know how to find the slope from an equation
Click here to see answer by josmiceli(19441)

Question 687648: 8.5x +8 =1.3x +15
Click here to see answer by josh_jordan(263)

Question 687735: could you guys help me with my algebra 2 math problems
Click here to see answer by MRperkins(300)

Question 687749: A departmentstore makes a profit of 1520 on every 25 rolls of film sold. What is the stores profit when 16 rols if film are sold?
Click here to see answer by stanbon(75887)

Question 687752: A manufactuer of sports equip.Expects that 5 out of every 126basketballs manufactured will hav a defect. At this rate when 630 basketballs are produced how many will b defective?
Click here to see answer by stanbon(75887)

Question 687872: Find the area of quadrilateral formed with vertices (3,-5),(5,-1),(2,1),(-3,-2)
Click here to see answer by Alan3354(69443)

Question 687899: What is a square number
Click here to see answer by ReadingBoosters(3246)

Question 687943:
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Question 687965:
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Question 688017: A number plus it's fourth is 210. What is the number?
Click here to see answer by MathLover1(20849)

Question 688016: The rabbit and the turtle start by standing back to back. The turtle crawls 5 feet per minute to the left. The rabbit runs 62 feet per minute to the right. How long will it take then to be 3216 feet apart?
Click here to see answer by josmiceli(19441)

Question 688010: 2(1/2)/(1/2) squared -16
Click here to see answer by Alan3354(69443)

Question 688047: I NEED TO KNOW FOR LINE SEGMENT AB WITH MIDPOINT M, DETERMINE THE COORDINATES OF POINT B. 46. A(15,25); M=(6.5, 16.5) CAN YOU SHOW ME STEP BY STEP HOW TO DO THIS? I DON'T UNDERSTAND THEM. THANK YOU.
Click here to see answer by stanbon(75887)

Question 688075: 1/2+10/12=
Click here to see answer by rfer(16322)

Question 688082:
Click here to see answer by jim_thompson5910(35256)

Question 688096: Write as a single logarithm.
3 logb^4+logb^2
Click here to see answer by lwsshak3(11628)

Question 688058: 1/2x+2/3=1/6
Click here to see answer by jim_thompson5910(35256)

Question 688143: For Line Segment AB with midpoint of M, determine the coordinates of point B. A(-2,2); M=(1,1 1/2). Please show me how to do this. Thank you for your help.
Click here to see answer by Alan3354(69443)

Question 688159: How do I solve elimination problems for elementry algebra
Click here to see answer by Alan3354(69443)

Question 688216: Convert each rate using dimensional analysis. Round to the nearest hundredth if necessary.
18 m/min= cm/s
Click here to see answer by stanbon(75887)

Question 688243: Solving equations with variables on both sides
Click here to see answer by lynnlo(4176)

Question 688297: Professor is X cubed minus 5 a one to one function? I'm confused. Thanks for your help!
Click here to see answer by jim_thompson5910(35256)

Question 688297: Professor is X cubed minus 5 a one to one function? I'm confused. Thanks for your help!
Click here to see answer by josmiceli(19441)

Question 688289: 2x-3x-4=7+4x-2
3x-6=6x+18+5
-12x+36=6x-24-4
1/3(x+2)=3x+1
Click here to see answer by jim_thompson5910(35256)

Question 688286: -3+12x=-9x-5
Click here to see answer by jim_thompson5910(35256)

Question 688261: x+6(x-4)=24-x
Click here to see answer by jim_thompson5910(35256)

Question 688463: How to put an equation into slope intercept form?
Click here to see answer by MathLover1(20849)

Question 688471: Please help with my algebra
Click here to see answer by ReadingBoosters(3246)

Question 688499: Arrange nine dots in such a way that you have 8 rows with 3 dots in each row
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Question 688558:
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Question 688568:
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